From: Andrew Morton <akpm@osdl.org>
To: Aaron Lehmann <aaronl@vitelus.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Complete I/O starvation with 3ware raid on 2.6
Date: Thu, 25 Sep 2003 00:43:01 -0700 [thread overview]
Message-ID: <20030925004301.171f6645.akpm@osdl.org> (raw)
In-Reply-To: <20030925071252.GE22525@vitelus.com>
Aaron Lehmann <aaronl@vitelus.com> wrote:
>
> I'm running bkcvs HEAD on a newly installed system, and started
> copying files over to my RAID 5 from older IDE disks. When I copy
> these files, the system becomes unusable. Specifically, any disk
> access on the 3ware array, no matter how simple, even starting 'vi' on
> a file, takes minutes or eternity to complete. Suspending the process
> doing the copying doesn't even help much, because the LEDs on the card
> continue blinking for about 30 seconds after the suspension. This
> happens whether the IDE drive is using DMA or not. It seems that some
> kind of insane queueing is going on. Are there parameters worth
> playing with? Should I try the deadline I/O scheduler?
An update to the 3ware driver was merged yesterday. Have you used earlier
2.5 kernels?
next prev parent reply other threads:[~2003-09-25 7:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-25 7:12 Aaron Lehmann
2003-09-25 7:43 ` Andrew Morton [this message]
2003-09-25 7:50 ` Aaron Lehmann
2003-09-25 8:02 ` Nick Piggin
2003-09-25 7:58 ` Aaron Lehmann
2003-09-25 8:10 ` Andrew Morton
2003-09-25 8:31 ` Aaron Lehmann
2003-09-25 9:13 ` Nick Piggin
2003-09-25 10:15 ` Aaron Lehmann
2003-09-25 10:25 ` Jens Axboe
2003-09-25 10:29 ` Nick Piggin
2003-09-25 18:19 Adam Radford
2003-09-28 22:48 ` Aaron Lehmann
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